Home / 12,565.29-18,848.46-4,246.16

Finding the Fourth Proportional to 12,565.29, 18,848.46 and 4,246.16

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Solution

The fourth proportional to 12,565.29, 18,848.46 and 4,246.16 is: 6,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.29 : 18,848.46 = 4,246.16 : x
  2. Step 2: Convert to fraction form
    12,565.29/18,848.46 = 4,246.16/x
  3. Step 3: Cross multiply
    12,565.29x = 18,848.46 × 4,246.16
  4. Step 4: Simplify right side
    12,565.29x = 80,033,498.59
  5. Step 5: Solve for x
    x = 80,033,498.59/12,565.29
  6. Step 6: Final answer
    x = 6,369.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.